CN208883004U - A kind of gravity-driven trolley positioner - Google Patents
A kind of gravity-driven trolley positioner Download PDFInfo
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- CN208883004U CN208883004U CN201821603177.0U CN201821603177U CN208883004U CN 208883004 U CN208883004 U CN 208883004U CN 201821603177 U CN201821603177 U CN 201821603177U CN 208883004 U CN208883004 U CN 208883004U
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- feeding cart
- opening
- reset spring
- detent
- closing plate
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Abstract
The application discloses a kind of gravity-driven trolley positioner, it is mounted at the top dead centre of skew bridge, skew bridge includes track and spandrel girder, and detent slot is equipped between track and spandrel girder, and described device is located in detent slot, described device includes detent portion and reset spring, so that completely expect feeding cart row to top dead centre when, detent portion and reset spring are compressed, by the wheel lock of feeding cart in detent slot, and the empty feeding cart expected is made to unlock under the action of reset spring.Trolley positioner is located at top dead centre, pass through the doses in feeding cart/material position state, automatically control detent position of the feeding cart at top dead centre, compared with soft limit this close to switch, the present apparatus is limited caused by solving because of factors such as electric appliance failure and dropouts and is failed using mechanical automatic detent, the generation for avoiding feeding cart stroke, going out the safety accidents such as skew bridge track, limit stronger, safety is higher, and feeding cart latched position is more accurate reliable.
Description
Technical field
This application involves limekiln technical field, in particular to a kind of gravity-driven trolley positioner.
Background technique
Limekiln be by lime stone in kiln thorax high-temperature calcination to generate the mechanical shaft furnace of industrial quick lime.Limekiln into
Before row high-temperature calcination, need to complete feeding process, as shown in Figure 1, limekiln feeding system include the preceding storehouse 1 of kiln, feeding cart 2,
Skew bridge 4, elevator motor 5, the storehouse Yao Ding 6 and limekiln thorax 7, the position that the storehouse Yao Ding 6 is corresponded on skew bridge 4 are equipped with top dead centre, it is upper only
It is equipped at point close to switch 3.In feeding process, in the material filling to the feeding cart 2 of lower section in the preceding storehouse 1 of kiln, that completely expects is upper
Trolley 2 is gone upward at the top of kiln thorax under the traction of elevator motor 5 along skew bridge 4, and referring to Fig. 2, the feeding cart 2 completely expected is being arrived at
It is triggered when the top dead centre of skew bridge 4 close to switch 3, controls elevator motor 5 at this time and stop operating, feeding cart 2 is made to hover over skew bridge 4
Top dead centre at.After the empty material in the storehouse Yao Ding 6, the material in feeding cart 2 is unloaded in the storehouse Yao Ding 6, then makes the upper of empty material
Trolley 2 comes downwards to skew bridge bottom along skew bridge 4, to complete feeding process.
Applicant has found at least there is following lack in such a way that trigger switch controls trolley start and stop in practice process
It falls into:
First, lack reliable and effective limit judgment means.Belong to contactless limiter close to switch 3, therefore right
Device installation accuracy requires very high.Feeding cart 2 can all cause skew bridge 4 during charging, discharging, and upper and lower, downlink
It shakes, is easily led in long-time production close to the installation loosening of switch 3, make to approach the former installation site of the deviation of switch 3；On the other hand,
The steel constructions such as the track and trolley axle of skew bridge 4 will appear cumulative deformation in the process of running.Many-sided reason can all be led
It causes to change close to relative position between switch 3 and the wheel of feeding cart 2, from can when preventing the process top dead centre of feeding cart 2
By triggering close to switch 3.
Second, lack feedback accurately feeding cart control means.Even if being triggered by feeding cart 2 close to switch 3, when connecing
After nearly switch 3 sends a signal to control unit, then it is out of service by control unit control elevator motor 5, the operation of feeding cart 2 is deposited
In hysteresis, the position of top dead centre cannot be accurately parked in by necessarily leading to feeding cart 2 finally, so that trolley limit is inaccurate
Reliably.
Third limits insecure.When feeding cart 2 stops at top dead centre waiting discharging, the feeding in full load condition is small
Vehicle 2 hovers over 4 eminence of skew bridge, has very big security risk.
Utility model content
The application provides a kind of gravity-driven trolley positioner, supreme to solve existing limekiln feeding cart operation
When stop, the inaccurate reliable and unstable problem of limit is limited.
According to an embodiment of the present application, a kind of gravity-driven trolley positioner is provided, the top dead centre of skew bridge is mounted on
Place, the skew bridge includes track and spandrel girder, which is characterized in that detent slot, institute are equipped between the track and the spandrel girder
It states device to be located in the detent slot, described device includes detent portion and the reset spring that connect with the detent portion, so that full
When feeding cart row to the top dead centre of material, the detent portion and the reset spring are compressed, by the wheel lock of the feeding cart
It is scheduled in the detent slot, and, so that the empty feeding cart expected is unlocked under the action of the reset spring.
Optionally, the detent slot is made of the detent baffle of annular, and the detent baffle is vertically fixed on the track
Between the spandrel girder, the detent portion includes lifter plate, and one end of the reset spring connects the lifter plate, described multiple
The other end of position spring connects the spandrel girder so that completely expect feeding cart row to top dead centre when, compress the lifter plate and
The reset spring, by the wheel lock of the feeding cart in the detent baffle space, and, keep the empty feeding expected small
Vehicle unlocks under the action of the reset spring.
Optionally, the detent portion includes opening-closing plate, and the both ends of the opening-closing plate are arranged in the reset spring, described multiple
One end of position spring connects the opening-closing plate, and the other end of the reset spring connects the spandrel girder, so that the feeding completely expected
When the supreme stop of small garage, the opening-closing plate and the reset spring are compressed, by the wheel lock of the feeding cart described
In the dented space of opening-closing plate, and the empty feeding cart expected is made to unlock under the action of the reset spring.
Optionally, the opening-closing plate includes the first opening-closing plate and the second opening-closing plate, first opening-closing plate and described second
Opening-closing plate is connect with the reset spring respectively, when feeding cart compresses the opening-closing plate, first opening-closing plate and described
The dented space is formed down between second opening-closing plate, the maximum between first opening-closing plate and second opening-closing plate is opened
Mouth width degree is less than the wheel diameter of feeding cart.
Optionally, the inner wall of the detent baffle is equipped with cushion.
Optionally, the outer wall of the detent baffle is equipped with reinforcing rib.
Optionally, when the opening-closing plate in the closure state, the opening-closing plate and the track alignment and parallel.
Optionally, when the reset spring in the raw when, the distance between the lifter plate and the track are big
In zero, and it is less than the wheel diameter of the feeding cart.
Optionally, when the feeding cart of sky material compresses the lifter plate, the lifter plate and the track alignment and flat
Row.
Trolley positioner provided by the present application be based on gravity-driven, its working principle is that: feeding cart fills material
When going upward to top dead centre under the drive of elevator motor afterwards, since the feeding cart self weight of full material is bigger, power compressing card is had
Position portion and reset spring, thus by the wheel lock of feeding cart in detent slot, so that feeding cart is firmly locked in
Position where stop, as feeding cart is to the storehouse Yao Ding discharge, the weight of feeding cart is reduced, until feeding cart discharging is complete
Finish, the feeding cart weight of sky material reaches minimum value, and under the action of reset spring restoring force, car wheel is lifted to original position
It sets, that is, comes back on track, so that feeding cart is along skew bridge downlink.
As it can be seen that by the setting of trolley positioner in top dead centre, by the doses in feeding cart/material position state, automatic control
Detent position of the feeding cart processed at top dead centre, compared with soft limit this close to switch, the present apparatus is using mechanical automatic
Detent limits failure caused by solving because of factors such as electric appliance failure and dropouts, avoids feeding cart stroke, goes out skew bridge
The generation of the safety accidents such as track, limit is stronger, and safety is higher, and feeding cart latched position is more accurate reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing limekiln feeding system；
Fig. 2 is the position limiting structure schematic diagram of existing limekiln feeding cart；
Fig. 3 is the structural schematic diagram of the gravity-driven trolley positioner shown in the embodiment of the present application one；
Fig. 4 is the schematic diagram that the car wheel shown in the embodiment of the present application one is in the lock state；
Fig. 5 is the structural schematic diagram of the gravity-driven trolley positioner shown in the embodiment of the present application two；
Fig. 6 is the schematic diagram that the car wheel shown in the embodiment of the present application two is in the lock state.
Marginal data: the preceding storehouse of 1- kiln；2- feeding cart, the wheel of 201- feeding cart；The close switch of 3-；4- skew bridge,
401- track, 402- spandrel girder, 403- detent slot；5- elevator motor；The storehouse 6- Yao Ding；7- limekiln thorax；8- gravity-driven
Trolley positioner, 801- reset spring, 802- detent baffle, 803- lifter plate, 804- cushion, 805- reinforcing rib, 806-
Opening-closing plate, the first opening-closing plate of 8061-, the second opening-closing plate of 8062-.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with attached drawing, it is right
Technical solution in the embodiment of the present application is clearly and completely described.
As shown in Figure 3 and Figure 4, the embodiment of the present application one provides a kind of gravity-driven trolley positioner, described device
It is mounted at the top dead centre of skew bridge 4, skew bridge 4 includes track 401 and the spandrel girder 402 for being used to support track 401,401 He of track
Detent slot 403 is equipped between spandrel girder 402, described device is located in detent slot 403, and described device includes detent portion and reset bullet
Spring 801 so that completely expect 2 row of feeding cart to top dead centre when, detent portion and reset spring 801 are compressed, by the vehicle of feeding cart
Wheel 201 is locked in detent slot 403, and, so that the empty feeding cart 2 expected is unlocked under the action of reset spring 801.
There are two types of the detent positions of the wheel 201 of feeding cart, one is falling into detent slot 403, so that feeding
The wheel 201 of trolley can not be moved along track 401, i.e., locked；Another kind is under the action of reset spring 801, by again
It returns back on track 401, allows feeding cart 2 along 401 downlink of track, that is, be unlocked.
The detent position of the wheel 201 of feeding cart is controlled by doses/material position in feeding cart 2 in the application
System, when going upward to top dead centre after trolley is filled material, since the self weight of the feeding cart 2 of full material is very big, detent portion and reset
Spring 801 is not enough to support its weight, and therefore, detent portion and reset spring 801 are significantly compressed, so that the vehicle of feeding cart
Wheel 201, which sink, to be entered in detent slot 403, and such feeding cart 2 is stuck, so that feeding cart 2 and track 401 is avoided to be detached from,
It ensure that safety, and the position hovered of feeding cart 2 limits more accurate reliable just at top dead centre.When feeding is small
Into the storehouse Yao Ding 6 when discharging, the weight of feeding cart 2 gradually decreases vehicle 2, under the action of reset spring 801, feeding cart
Wheel 201 can be moved up gradually, until when the material in feeding cart 2 all empties, i.e., when 2 sky of feeding cart is expected, feeding cart 2
Weight reach minimum value, feeding cart 2 will be reset to 401 or more track again, and so as to 2 downlink of feeding cart, entrance is next
The feeding process of wheel.
In the present embodiment, detent slot 403 is made of 802 inner space of detent baffle of annular, and detent baffle 802 is vertical
It is fixed between track 401 and spandrel girder 402, detent portion includes lifter plate 803, and lifter plate 803 is for support feeding cart
Wheel 201, one end of reset spring 801 connect lifter plate 803, and the other end of reset spring 801 connects spandrel girder 402.
The feeding cart 2 completely expected along skew bridge 4 to top dead centre uplink, when 201 row of wheel of feeding cart is to 803 institute of lifter plate
Position when, the reset spring 801 being connect with lifter plate 803 be not enough to Zhi Chengman material feeding cart 2 weight, reset spring
801 are compressed, and lifter plate 803 declines, and the wheel 201 of feeding cart sink, and are locked in the space of detent baffle 802 automatically
Interior, Fig. 4 is schematic diagram when car wheel is in the lock state.When the material in feeding cart 2 is all discharged into the storehouse Yao Ding 6
When, feeding cart 2 is in empty material, and the self weight of feeding cart 2 becomes smaller, previously effect of the locked wheel in reset spring 801
Lower to be lifted upwards to original position, the wheel 201 of trolley automatically terminates locking, comes downwards to feeding cart 2 smoothly tiltedly
Entire feeding process is completed in the bottom of bridge 4.Positioner is arranged in top dead centre, doses/material position shape of feeding cart 2 is passed through
State automatically controls detent position of the feeding cart 2 at top dead centre, and compared with this soft limit of position switch, the present apparatus is used
Mechanical automatic detent limits failure caused by solving because of factors such as electric appliance failure and dropouts, feeding cart 2 is avoided to rush
Journey, the generation for going out the safety accidents such as skew bridge track, limit is stronger, and safety is higher, and 2 latched position of feeding cart is more
Add accurate reliable.
Optionally, the inner wall of detent baffle 802 is equipped with cushion 804, and the outer wall of detent baffle 802 is equipped with reinforcing rib 805
Cushion 804 can mitigate the vibration generated when wheel decline, play the role of buffering, rubber pad can be used in cushion 804.Add
The intensity of detent baffle 802 can be improved in strengthening tendons 805, and detent baffle 802 is impacted and damages or move when wheel being avoided to decline
Position.
In the present embodiment, detent baffle 802 can be the structures such as former annular or straight-flanked ring, so that feeding cart 2 is in detent
When in the space of baffle 802, all around direction is locked, and plays the role of securely limiting, the active force of reset spring 801
Height/wheel up and down motion position depending on doses namely lifter plate 803 in feeding cart 2 depends in feeding cart 2
Doses.
When reset spring 801 in the raw, i.e., 801 non-stress of reset spring when, if lifter plate 803 and track
The distance between 401 are equal to zero, since the feeding cart 2 of sky material has self weight, then when feeding cart 2 drains into empty material, and sky material
Feeding cart 2 still lifter plate 803 can be made to decline certain height, cause the wheel 201 of feeding cart that can not completely return to rail
On road 401, cause to unlock insufficient；If the distance between lifter plate 803 and track 401 are greater than or equal to the vehicle of feeding cart
201 diameters are taken turns, then the feeding cart 2 completely expected will be unable to row to lifter plate 803, cause positioner not work effectively, very
It is damaged to may result in reset spring 801.Therefore, in the present embodiment, when reset spring 801 in the raw when, lifting
The distance between plate 803 and track 401 are greater than zero, and are less than 201 diameter of wheel of feeding cart.It can be according to feeding cart 2
The diameter of the wheel 201 of self weight and feeding cart when sky material, chooses the specification/performance reset spring 801 that matches, to protect
It demonstrate,proves when the 2 compression lifting plate 803 of feeding cart of sky material, lifter plate 803 is aligned and parallel with track 401, i.e. lifter plate at this time
The distance between 803 and track 401 are zero, i.e. guarantee feeding cart 2 is sufficiently unlocked, moreover it is possible to guarantee that feeding cart 2 can be along oblique
The steady downlink of bridge 4.
As shown in Figure 5 and Figure 6, a kind of gravity-driven trolley positioner that the embodiment of the present application two provides, the dress
It sets and is mounted at the top dead centre of skew bridge 4, skew bridge 4 includes track 401 and the spandrel girder 402 for being used to support track 401, track 401
Detent slot 403 is equipped between spandrel girder 402, described device is located in detent slot 403, and described device includes detent portion and reset
Spring 801 so that completely expect 2 row of feeding cart to top dead centre when, detent portion and reset spring 801 are compressed, by feeding cart
Wheel 201 is locked in detent slot 403, and, so that the empty feeding cart 2 expected is unlocked under the action of reset spring 801.
Wherein, the detent portion includes opening-closing plate 806, and the both ends of opening-closing plate 806 are arranged in reset spring 801, resets bullet
One end of spring 801 connects opening-closing plate 806, and the other end of reset spring 801 connects spandrel girder 402.Specifically, opening-closing plate 806
Including the first opening-closing plate 8061 and the second opening-closing plate 8062, the first opening-closing plate 8061 and the second opening-closing plate 8062 respectively with reset bullet
Spring 801 connects.When 806 closed state of opening-closing plate, it is aligned under the support of reset spring 801 with track 401 and parallel；When full material
Feeding cart 2 when moving on opening-closing plate 806, the first opening-closing plate 8061 and the second opening-closing plate 8062 are compressed downwardly, and are made
It obtains opening-closing plate 806 to be opened from centre, generates dented space downwards；When the material emptying in feeding cart 2, in reset spring
Under the action of 801, the dented space gradually bounces back until opening-closing plate 806 is thoroughly closed.
The feeding cart 2 completely expected along skew bridge 4 to top dead centre uplink, when 201 row of wheel of feeding cart is to 806 institute of opening-closing plate
Position when, reset spring 801 is not enough to the weight of Zhi Chengman trolley so that reset spring 801 is compressed, opening-closing plate
806, which are pressurized, opens, and the wheel 201 of feeding cart sink, and is locked in the dented space of opening-closing plate 806 automatically, Fig. 6 is trolley
Schematic diagram when wheel is in the lock state.When the material in feeding cart 2 is all discharged into the storehouse Yao Ding 6, at feeding cart 2
In empty material state, self weight reaches minimum value, and opening-closing plate 806 is closed under the action of reset spring 801, so that car wheel returns to
On track 401, to automatically terminate locking, feeding cart 2 is allow smoothly to come downwards to the bottom of skew bridge 4, complete entire feeding
Process.Positioner setting is automatically controlled feeding cart 2 and existed in top dead centre by doses/material position state of feeding cart 2
Detent position at top dead centre, compared with this soft limit of position switch, the present apparatus using mechanical automatic detent, solve because
Limit failure caused by the factors such as electric appliance failure and dropout such as avoids 2 stroke of feeding cart, goes out skew bridge track at the safe thing
Therefore generation, limit stronger, safety is higher, and 2 latched position of feeding cart is more accurate reliable.
When feeding cart 2 compresses opening-closing plate 806, opening-closing plate 806 is opened, so that the first opening-closing plate 8061 and second is opened
It is formed down dented space between plywood 8062, if the maximum open between the first opening-closing plate 8061 and the second opening-closing plate 8062
Width should be greater than or the diameter of the wheel 201 equal to feeding cart, then opening-closing plate 806 can not constitute effective dented space, on
The wheel 201 of trolley falls on detent slot for directly through the opening between the first opening-closing plate 8061 and the second opening-closing plate 8062
403 bottom, without the support of reset spring 801, the wheel 201 of feeding cart will be unable to unlock.Therefore, it first opens
Maximum open width between plywood 8061 and the second opening-closing plate 8062 should be less than the diameter of the wheel 201 of feeding cart, to protect
Demonstrate,prove positioner can normal locking and unlocking wheel, guarantee the stable operation of feeding process.
Same and similar part reference mutually between each embodiment in this specification.
Those skilled in the art are considering specification and after practicing utility model disclosed herein, will readily occur to practical
Novel other embodiments.This application is intended to cover any variations, uses, or adaptations of the utility model, these
Variations, uses, or adaptations follow the general principle of the utility model and including undocumented skills of the utility model
Common knowledge or conventional techniques in art field.The description and examples are only to be considered as illustrative, the utility model
True scope and spirit are pointed out by the attached claims.
It should be understood that the utility model is not limited to the accurate knot for being described above and being shown in the accompanying drawings
Structure, and various modifications and changes may be made without departing from the scope thereof.The scope of the utility model is only wanted by appended right
It asks to limit.
Claims (9)
1. a kind of gravity-driven trolley positioner, is mounted at the top dead centre of skew bridge, the skew bridge includes track and load-bearing
Beam, which is characterized in that detent slot is equipped between the track and the spandrel girder, described device is located in the detent slot, institute
State the reset spring that device includes detent portion and connect with the detent portion so that completely expect feeding cart row to top dead centre when,
The detent portion and the reset spring are compressed, by the wheel lock of the feeding cart in the detent slot, and, make sky
The feeding cart of material unlocks under the action of the reset spring.
2. gravity-driven trolley positioner according to claim 1, which is characterized in that the detent slot is by annular
Detent baffle is constituted, and the detent baffle is vertically fixed between the track and the spandrel girder, and the detent portion includes rising
Plate drops, and one end of the reset spring connects the lifter plate, and the other end of the reset spring connects the spandrel girder, so that
When feeding cart row to the top dead centre completely expected, the lifter plate and the reset spring are compressed, by the wheel of the feeding cart
It is locked in the detent baffle space, and, so that the empty feeding cart expected is unlocked under the action of the reset spring.
3. gravity-driven trolley positioner according to claim 1, which is characterized in that the detent portion includes folding
The both ends of the opening-closing plate are arranged in plate, the reset spring, and one end of the reset spring connects the opening-closing plate, described multiple
The other end of position spring connects the spandrel girder so that completely expect feeding cart row to top dead centre when, compress the opening-closing plate and
The reset spring by the wheel lock of the feeding cart in the dented space of the opening-closing plate, and makes the upper of empty material
Trolley unlocks under the action of the reset spring.
4. gravity-driven trolley positioner according to claim 3, which is characterized in that the opening-closing plate includes first
Opening-closing plate and the second opening-closing plate, first opening-closing plate and second opening-closing plate are connect with the reset spring respectively, when upper
When trolley compresses the opening-closing plate, it is empty that the recess is formed down between first opening-closing plate and second opening-closing plate
Between, the maximum open width between first opening-closing plate and second opening-closing plate is less than the wheel diameter of feeding cart.
5. gravity-driven trolley positioner according to claim 2, which is characterized in that the inner wall of the detent baffle
Equipped with cushion.
6. gravity-driven trolley positioner according to claim 2 or 5, which is characterized in that the detent baffle
Outer wall is equipped with reinforcing rib.
7. gravity-driven trolley positioner according to claim 3 or 4, which is characterized in that at the opening-closing plate
When closed state, the opening-closing plate and the track alignment and parallel.
8. gravity-driven trolley positioner according to claim 6, which is characterized in that when the reset spring is in
When nature, the distance between the lifter plate and the track are greater than zero, and the wheel for being less than the feeding cart is straight
Diameter.
9. gravity-driven trolley positioner according to claim 8, which is characterized in that when the feeding cart pressure of sky material
Contract the lifter plate when, the lifter plate and the track alignment and parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821603177.0U CN208883004U (en) | 2018-09-29 | 2018-09-29 | A kind of gravity-driven trolley positioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821603177.0U CN208883004U (en) | 2018-09-29 | 2018-09-29 | A kind of gravity-driven trolley positioner |
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| Publication Number | Publication Date |
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| CN208883004U true CN208883004U (en) | 2019-05-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115783626A (en) * | 2023-01-29 | 2023-03-14 | 南京易自助网络科技有限公司 | Belt type vehicle moving automatic limiting device based on tunnel car washing and using method thereof |
-
2018
- 2018-09-29 CN CN201821603177.0U patent/CN208883004U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115783626A (en) * | 2023-01-29 | 2023-03-14 | 南京易自助网络科技有限公司 | Belt type vehicle moving automatic limiting device based on tunnel car washing and using method thereof |
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